[Bug tree-optimization/67816] [6 Regression] ICE in duplicate_thread_path, 186.crafty fails to build

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67816

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Yeah, trunk configured with --enable-checking=release --enable-languages=c
--disable-bootstrap reproduces the issue for me.  Scary.